Home / 156,947.78-235,363.35-51,738.50

Finding the Fourth Proportional to 156,947.78, 235,363.35 and 51,738.50

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Solution

The fourth proportional to 156,947.78, 235,363.35 and 51,738.50 is: 77,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,947.78 : 235,363.35 = 51,738.50 : x
  2. Step 2: Convert to fraction form
    156,947.78/235,363.35 = 51,738.50/x
  3. Step 3: Cross multiply
    156,947.78x = 235,363.35 × 51,738.50
  4. Step 4: Simplify right side
    156,947.78x = 12,177,346,683.98
  5. Step 5: Solve for x
    x = 12,177,346,683.98/156,947.78
  6. Step 6: Final answer
    x = 77,588.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.